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52806 (1998 QE79)
Classification: Main-belt Asteroid          SPK-ID: 2052806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .262055996287703 3.2744e-08  
a 2.29630412931799 8.6045e-09 au
q 1.694543862929998 7.5347e-08 au
i 11.67455002219375 5.3217e-06 deg
node 294.0410985884107 3.1425e-05 deg
peri 332.4609197903748 3.4286e-05 deg
M 240.2512812327779 1.5492e-05 deg
tp 2459819.276570714761
(2022-Aug-27.77657072)
5.5771e-05 TDB
period 1270.991180733821
3.48
7.1438e-06
1.956e-08
d
yr
n .2832435074743397 1.592e-09 deg/d
Q 2.898064395705982 1.0859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8774 days (24.02 yr)  
   first obs. used      1997-01-09  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:14:33  

Additional Information
 Earth MOID = .68705 au 
 Jupiter MOID = 2.25331 au 
 T_jup = 3.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456916.5 (2014-Sep-16.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2619961910012799 3.2739e-08  
q 1.695052370983281 7.5263e-08 au
tp 2457277.760845063210
(2015-Sep-12.26084506)
5.0737e-05 TDB
node 294.0765660232154 3.1426e-05 deg
peri 332.3385399947388 3.4291e-05 deg
i 11.67335203247897 5.3202e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      8774 days (24.02 yr)  
   first obs. used      1997-01-09  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5688  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 17:14:33  

Additional Information
 Jupiter MOID = 2.25331 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.071825062081054E-15 -2.455170085486969E-15 2.316569449285106E-13 9.350904365705502E-15 3.513676948564675E-14 -2.449887411006912E-15
q -2.455170085486969E-15 5.664578542086E-15 -4.536026788390244E-13 -2.217627067318804E-14 -6.12488221474627E-14 5.362997656960232E-15
tp 2.316569449285106E-13 -4.536026788390244E-13 2.574232101745711E-9 5.792670233348972E-11 7.460028199346355E-10 -1.796977924367842E-13
node 9.350904365705502E-15 -2.217627067318804E-14 5.792670233348972E-11 9.876180842162575E-10 -9.491419994883575E-10 9.115520052821923E-11
peri 3.513676948564675E-14 -6.12488221474627E-14 7.460028199346355E-10 -9.491419994883575E-10 1.175891947858763E-9 -8.930568662300644E-11
i -2.449887411006912E-15 5.362997656960232E-15 -1.796977924367842E-13 9.115520052821923E-11 -8.930568662300644E-11 2.830422841205585E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.99   n/a MPCxxxxx  
diameter diameter 3.206 km 0.558 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52806 (1998 QE79)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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